CBC numbers include A12+, W25-54 an M25-54 for Spring and Fall PPM rating periods. The detailed Bell Media results only include commercial radio stations. Remember ratings are all about sales and clients. CBC Radio One doesn't air commercials so their ratings don't impact sales.

You can track each station's ratings from Sping 2017 back to Winter 2017, Fall 2016 and Summer 2016. It provides a look at four rating peroids so you can follow a station's ups and downs.

Spring 2017 ratings for all five PPM markets including Montreal, Calgary, Edmonton, Vancouver and Toronto are posted at http://kowchmedia.com/radio_consulting/latest-ppm-ballot-ratings/ Just click on the PPM market you're interested in. You can also find results going all the way back to Fall 2014. Just keep scrolling down the page.